./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_7-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/jain_7-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71c6fa4c5cc7bb8e1a8b3462db137d2c7d5249aa ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:46:16,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:46:16,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:46:16,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:46:16,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:46:16,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:46:16,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:46:16,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:46:16,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:46:16,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:46:16,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:46:16,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:46:16,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:46:16,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:46:16,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:46:16,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:46:16,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:46:16,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:46:16,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:46:16,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:46:16,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:46:16,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:46:16,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:46:16,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:46:16,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:46:16,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:46:16,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:46:16,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:46:16,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:46:16,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:46:16,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:46:16,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:46:16,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:46:16,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:46:16,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:46:16,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:46:16,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:46:16,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:46:16,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:46:16,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:46:16,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:46:16,542 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:46:16,565 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:46:16,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:46:16,566 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:46:16,566 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:46:16,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:46:16,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:46:16,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:46:16,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:46:16,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:46:16,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:46:16,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:46:16,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:46:16,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:46:16,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:46:16,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:46:16,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:46:16,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:46:16,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:46:16,569 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:46:16,570 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:46:16,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:46:16,570 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:46:16,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:46:16,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:46:16,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:46:16,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:46:16,571 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:46:16,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:46:16,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:46:16,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71c6fa4c5cc7bb8e1a8b3462db137d2c7d5249aa [2019-11-26 02:46:16,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:46:16,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:46:16,731 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:46:16,738 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:46:16,738 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:46:16,739 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/../../sv-benchmarks/c/bitvector/jain_7-2.c [2019-11-26 02:46:16,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/data/ebf5ba8f3/d1ff86f205cd4afd9e368f0898c4a4b0/FLAG3e9cd5e9d [2019-11-26 02:46:17,202 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:46:17,202 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/sv-benchmarks/c/bitvector/jain_7-2.c [2019-11-26 02:46:17,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/data/ebf5ba8f3/d1ff86f205cd4afd9e368f0898c4a4b0/FLAG3e9cd5e9d [2019-11-26 02:46:17,223 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/data/ebf5ba8f3/d1ff86f205cd4afd9e368f0898c4a4b0 [2019-11-26 02:46:17,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:46:17,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:46:17,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:46:17,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:46:17,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:46:17,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c55aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17, skipping insertion in model container [2019-11-26 02:46:17,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:46:17,265 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:46:17,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:46:17,417 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:46:17,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:46:17,505 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:46:17,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17 WrapperNode [2019-11-26 02:46:17,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:46:17,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:46:17,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:46:17,507 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:46:17,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:46:17,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:46:17,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:46:17,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:46:17,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:46:17,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:46:17,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:46:17,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:46:17,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:46:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:46:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:46:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:46:17,803 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:46:17,803 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-26 02:46:17,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:46:17 BoogieIcfgContainer [2019-11-26 02:46:17,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:46:17,805 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:46:17,805 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:46:17,814 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:46:17,814 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:46:17" (1/1) ... [2019-11-26 02:46:17,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:46:17,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2019-11-26 02:46:17,873 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2019-11-26 02:46:17,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:46:17,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:18,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-11-26 02:46:18,167 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-11-26 02:46:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:46:18,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:46:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:46:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:46:40,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:46:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 4 states and 5 transitions. [2019-11-26 02:46:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 5 transitions. [2019-11-26 02:46:40,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:46:40,092 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2019-11-26 02:46:40,101 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:46:40,146 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-11-26 02:46:40,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:46:40 ImpRootNode [2019-11-26 02:46:40,158 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:46:40,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:46:40,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:46:40,159 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:46:40,159 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:46:17" (3/4) ... [2019-11-26 02:46:40,163 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:46:40,172 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-26 02:46:40,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:46:40,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:46:40,216 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5877f12a-76b9-4ba6-a580-59da31d33067/bin/ukojak/witness.graphml [2019-11-26 02:46:40,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:46:40,219 INFO L168 Benchmark]: Toolchain (without parser) took 22990.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:40,219 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:46:40,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:40,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:46:40,221 INFO L168 Benchmark]: Boogie Preprocessor took 13.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:46:40,221 INFO L168 Benchmark]: RCFGBuilder took 256.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:40,222 INFO L168 Benchmark]: CodeCheck took 22353.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:40,222 INFO L168 Benchmark]: Witness Printer took 58.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:46:40,225 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Result: SAFE, OverallTime: 22.2s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 36 SolverSat, 18 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 20.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 2 * y <= 4194304 * ((z * -1 + x * -4 + y * 2) / 4194304) + z + 4 * x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 951.5 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 256.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * CodeCheck took 22353.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. * Witness Printer took 58.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...